 *{
    margin: 0 auto;
    padding: 0;
    list-style: none;
} 
 .body{
    width: 1045px;
    height: 819px;
} 
a:link,a:visited{
    text-decoration: none;
}
.tb{
    width: 900px;
    height: 80px;
    margin-top: 13px;
}
.t1{
    float: right; 
    height: 15px;
    margin-top: 10px;
}
.ss{
    position: relative;
    left: 60px;
    width: 5px;
    height: 23px;
    float: right;
    display: flex;
    padding: 30px
}
#dh{
    width: 959px;
    background: url(../img/images/背景色.jpg) repeat-x;
}
#dh a{
    color:#fff;
}
.nav{
    padding: 30px;
}
.nav span a{
    font-size: 20px;
    position: relative;
    left: -15px;
    top: -27px;
    padding-left: 65px;
} 
.home{
    font-size: 20px;
    color:#3a6491;
    background: #fff; 
    padding: 0 0 3px;
    position: relative;
    top: -25px;
}
.bjt{
    text-align: center;
    position: relative;
    left: 95px;
    top: -63px;
}
.t3{
    position: relative;
    right: 967px;
    top: 172px;
}
.t2{
    position: relative;
    left: 5px;
}
.wb{
    position: relative;
    left: 100px;
    top: -63px;
    padding: 30px;
    color: gray;
    width: 700px;
    height: 400px;
    border: 1px solid gray;
    font-size: 15px;
}
.yj{
    position: relative;
    top: -45px;
    line-height: 15px;
    border-top: 1px solid gray;
    border-bottom: 1px solid gray;
    font-size: 10px;
    width: 985px;
}
.p1{
    color: #4190d0;
    position: relative;
    top: -10px;
    left: 645px
}
.p2{
    color: #b8e6fe;
    position: relative;
    top: 5px;
}
.p3{
    color: #b8e6fe;
    font-size: 13px;
    position: relative;
    top: -38px;
    left: 1108px;
}